Invention Grant
- Patent Title: Stereoselective method for the production of (R)-Dimepranol
- Patent Title (中): 用于制备（R） - 右旋摩尔的立体选择性方法
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Application No.: US12368967Application Date: 2009-02-10
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Publication No.: US07799952B2Publication Date: 2010-09-21
- Inventor: Jiri Stohandl , Jaroslav Frantisek , Winfried Ness
- Applicant: Jiri Stohandl , Jaroslav Frantisek , Winfried Ness
- Applicant Address: DE Ulm
- Assignee: ratiopharm GmbH
- Current Assignee: ratiopharm GmbH
- Current Assignee Address: DE Ulm
- Agency: Smith Patent Consulting, LLC
- Agent Chalin Smith
- Priority: EP04009280 20040420
- Main IPC: C07B57/00
- IPC: C07B57/00
Abstract:
The present invention relates to processes for preparing a compound of the general formula (Ia) wherein X is a halogen atom, or a pharmaceutically acceptable salt thereof, wherein a compound of the formula (II) wherein X is as defined above and Y and Z independently represent a leaving group each, is reacted with an optically active amino alcohol to form a first mixture of diastereomers.
Public/Granted literature
- US20090149677A1 Stereoselective Method for the Production of (R)-Dimepranol Public/Granted day:2009-06-11
Information query
